64915520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11933}}^1$

素因数の和:11967

約数の個数: 56

約数和(自身を含む): 163686744

約数和(自身を除く): 98771224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 11933, 23866, 47732, 59665, 95464, 119330, 190928, 202861, 238660, 381856, 405722, 477320, 763712, 811444, 954640, 1014305, 1622888, 1909280, 2028610, 3245776, 3818560, 4057220, 6491552, 8114440, 12983104, 16228880, 32457760, 64915520]

約数ペア:

[(1, 64915520), (2, 32457760), (4, 16228880), (5, 12983104), (8, 8114440), (10, 6491552), (16, 4057220), (17, 3818560), (20, 3245776), (32, 2028610), (34, 1909280), (40, 1622888), (64, 1014305), (68, 954640), (80, 811444), (85, 763712), (136, 477320), (160, 405722), (170, 381856), (272, 238660), (320, 202861), (340, 190928), (544, 119330), (680, 95464), (1088, 59665), (1360, 47732), (2720, 23866), (5440, 11933)]